CN108805096A - A kind of melody control method and system based on road image - Google Patents
A kind of melody control method and system based on road image Download PDFInfo
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- CN108805096A CN108805096A CN201810631824.7A CN201810631824A CN108805096A CN 108805096 A CN108805096 A CN 108805096A CN 201810631824 A CN201810631824 A CN 201810631824A CN 108805096 A CN108805096 A CN 108805096A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
- G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/30—Noise filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
Abstract
The present invention provides a kind of melody control method and system based on road image, applied to vehicle-mounted melody playback equipment, first, the road closeness of road residing for current driving vehicle is obtained, it is then detected that whether vehicle-mounted melody playback equipment is playing melody, finally, when the road closeness of road residing for current driving vehicle is less than threshold value T1, user's melody play history information is read, and recommends and play melody based on user's melody play history information；When the road closeness of road residing for current driving vehicle is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and Please drive carefully in vehicle-mounted melody playback equipment interface display.
Description
Technical field
The invention belongs to technical field of image processing more particularly to a kind of melody control method based on road image and it is
System.
Background technology
Music for adjusting people's mood there is huge strength, cheerful and light-hearted music to make one happy, and sad music makes one
Ponder, the light music releived makes one to loosen, and allegro rock music, Chinese musical telling music make one in high spirits.
Driver is said with passenger on vehicle, first ten parts of effects of suitable music in the place that flow of the people is intensive, come one
The light music that head releives can so that impetuous mood is alleviated, and on the road of road beautiful scenery, carry out a first innervation
Music makes one according to energetic.
However, in the prior art, vehicle mounted playing apparatus is all random or according to setting played in order melody, can not root
Carry out auto-changing melody according to situations such as different road vehicle densities.
Invention content
In order to solve the above technical problems, the present invention provides a kind of melody control method and system based on road image.
First, the present invention provides a kind of melody control method based on road image, and this method is broadcast applied to vehicle-mounted melody
Equipment is put, and specifically includes following steps：
S1 obtains the road closeness of road residing for current driving vehicle, specifically includes：
S11 is obtained the real-time image information in headstock front and headstock or so by camera, passes through Adaboost graders
The pedestrian in the realtime graphic and vehicle are extracted respectively, determine pedestrian's number MAN and vehicle number in the realtime graphic
CAR；
S12 obtains the reality based on the real-time image information for obtaining headstock front and headstock or so by camera
When image in the path area S covered；
S13 calculates the road closeness P of road residing for current driving vehicle according to formula (1)：
P=a* (MAN/S)+b* (CAR/S) formula (1)
Wherein P is the road closeness of road residing for current driving vehicle；MAN is pedestrian's number；CAR is vehicle number；S
For the path area covered in the realtime graphic；A, b is coefficient；
S2, detects whether vehicle-mounted melody playback equipment is playing melody, executes step S3；
S3 when the road closeness of road residing for current driving vehicle is less than threshold value T1, reads user's melody play history
Information, and recommend and play melody based on user's melody play history information；The road of road residing for current driving vehicle
When closeness is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and at vehicle-mounted melody playback equipment interface
Show " Please drive carefully " information.
Preferably, wherein pedestrian and the vehicle tool extracted respectively by Adaboost graders in the realtime graphic
Body includes：
S111 carries out rgb color space to the conversion of HSV color spaces for the real-time image information of acquisition；
S112 traverses the H component points of image, driving mask matrix MASK；
S113, the connected domain of statistics eye mask matrix MASK therefrom obtain region of interest ROI and are screened；
S114 is classified in conjunction with HOG and Harr features using Adaboost graders, obtain region in pedestrian and
Vehicle.
Preferably, in extracting the realtime graphic respectively by Adaboost graders pedestrian and vehicle before, also wrap
Include the pretreatment operation that denoising, normalization etc. are carried out to the realtime graphic.
Preferably, described to be extracted respectively after pedestrian in the realtime graphic and vehicle also by Adaboost graders
Including the pedestrian extracted and vehicle are outlined with rectangle frame.
The present invention also provides a kind of music control system based on road image, which is applied to the broadcasting of vehicle-mounted melody and sets
It is standby, and specifically include：
Road closeness acquiring unit, the road closeness for obtaining road residing for current driving vehicle, specifically includes：
Pedestrians and vehicles quantity acquisition module, the realtime graphic for obtaining headstock front and headstock or so by camera are believed
Breath, extracts pedestrian and vehicle in the realtime graphic by Adaboost graders, determines in the realtime graphic respectively
Pedestrian's number MAN and vehicle number CAR；
Path area acquisition module, for based on the real-time figure for obtaining headstock front and headstock or so by camera
As information, the path area S covered in the realtime graphic is obtained；
Roading density acquisition module, the road closeness for calculating road residing for current driving vehicle according to formula (1)
P：
P=a* (MAN/S)+b* (CAR/S) formula (1)
Wherein P is the road closeness of road residing for current driving vehicle；MAN is pedestrian's number；CAR is vehicle number；S
For the path area covered in the realtime graphic；A, b is coefficient；
Melody detection unit, for detecting whether vehicle-mounted melody playback equipment is playing melody；
Melody control unit reads and uses when the road closeness for road residing for current driving vehicle is less than threshold value T1
Family melody play history information, and recommend and play melody based on user's melody play history information；Current driving vehicle
When the road closeness of residing road is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and in vehicle-mounted pleasure
Bent playback equipment interface display " Please drive carefully " information.
Preferably, wherein pedestrian and the vehicle tool extracted respectively by Adaboost graders in the realtime graphic
Body includes：
S111 carries out rgb color space to the conversion of HSV color spaces for the real-time image information of acquisition；
S112 traverses the H component points of image, driving mask matrix MASK；
S113, the connected domain of statistics eye mask matrix MASK therefrom obtain region of interest ROI and are screened；
S114 is classified in conjunction with HOG and Harr features using Adaboost graders, obtain region in pedestrian and
Vehicle.
Preferably, wherein in extracting the realtime graphic respectively by Adaboost graders pedestrian and vehicle before,
The Pedestrians and vehicles quantity acquisition module is additionally operable to carry out the realtime graphic pretreatment operation of denoising, normalization etc..
Preferably, it is described pedestrian and vehicle in the realtime graphic are extracted by Adaboost graders respectively after,
The Pedestrians and vehicles quantity acquisition module is additionally operable to the pedestrian that will be extracted and vehicle is outlined with rectangle frame.
Description of the drawings
A kind of work flow diagrams of the melody control method based on road image of Fig. 1.
Specific implementation mode
Below in conjunction with the accompanying drawings, it elaborates to embodiment.
The present invention provides a kind of melody control method based on road image, and this method is applied to the broadcasting of vehicle-mounted melody and sets
It is standby, and specifically include following steps：
First, the road closeness of road residing for current driving vehicle is obtained.
The process for obtaining the road closeness of road residing for current driving vehicle specifically includes following steps again：
S11 obtains the real-time image information in headstock front and headstock or so by camera, first to the realtime graphic
The pretreatment operation for carrying out denoising, normalization etc., is then extracted by Adaboost graders in the realtime graphic respectively
Pedestrian and vehicle determine pedestrian's number MAN and vehicle number CAR in the realtime graphic；Finally, by the pedestrian extracted and
Vehicle is outlined with rectangle frame.
It is worth noting that, in above-mentioned steps S11, wherein described extract the reality respectively by Adaboost graders
When image in pedestrian and vehicle specifically include：Rgb color space is carried out to HSV color skies for the real-time image information of acquisition
Between convert；Traverse the H component points of image, driving mask matrix MASK；The connected domain of eye mask matrix MASK is counted, sense is therefrom obtained
Interest region ROI is simultaneously screened；In conjunction with HOG and Harr features, classified using Adaboost graders, is obtained in region
Pedestrian and vehicle.
S12 obtains the reality based on the real-time image information for obtaining headstock front and headstock or so by camera
When image in the path area S covered；
S13 calculates the road closeness P of road residing for current driving vehicle according to formula (1)：
P=a* (MAN/S)+b* (CAR/S) formula (1)
Wherein P is the road closeness of road residing for current driving vehicle；MAN is pedestrian's number；CAR is vehicle number；S
For the path area covered in the realtime graphic；A, b is coefficient；
It is then detected that whether vehicle-mounted melody playback equipment is playing melody.
If vehicle-mounted melody playback equipment is playing melody, enter next step, if vehicle-mounted melody playback equipment exists
Play cross-talk, storytelling, etc. non-melody class program or vehicle-mounted melody playback equipment be closed, this does not execute next step
Suddenly.
Finally, it when the road closeness of road residing for current driving vehicle is less than threshold value T1, reads the broadcasting of user's melody and goes through
History information, and recommend and play melody based on user's melody play history information；The road of road residing for current driving vehicle
When road closeness is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and in vehicle-mounted melody playback equipment circle
Face shows " Please drive carefully " information.
The present invention also provides a kind of music control system based on road image, which is applied to the broadcasting of vehicle-mounted melody and sets
It is standby, and specifically include：
Road closeness acquiring unit for the road closeness for obtaining road residing for current driving vehicle, road are intensive
Degree acquiring unit specifically includes：Pedestrians and vehicles quantity acquisition module, for obtaining headstock front and headstock or so by camera
Real-time image information, the Pedestrians and vehicles quantity acquisition module is additionally operable to carry out denoising, normalization etc. to the realtime graphic
Pretreatment operation, pedestrian and vehicle in the realtime graphic are extracted by Adaboost graders respectively, determine the reality
When image in pedestrian's number MAN and vehicle number CAR；The Pedestrians and vehicles quantity acquisition module is additionally operable to the row that will be extracted
People and vehicle are outlined with rectangle frame.
It is wherein described pedestrian in the realtime graphic to be extracted by Adaboost graders respectively and vehicle specifically includes：
Rgb color space is carried out to the conversion of HSV color spaces for the real-time image information of acquisition；Traverse the H component points of image, driving
Mask matrix MASK；The connected domain of eye mask matrix MASK is counted, region of interest ROI is therefrom obtained and is screened；In conjunction with HOG
With Harr features, classified using Adaboost graders, obtains the pedestrian in region and vehicle.
For being obtained described in real-time image information and the acquisition in headstock front and headstock or so by camera based on described
The path area acquisition module for the path area S covered in realtime graphic,
Roading density acquisition module for the road closeness P for calculating road residing for current driving vehicle, road are intensive
Degree P calculation formula be：P=a* (MAN/S)+b* (CAR/S).Wherein P is that the road of road residing for current driving vehicle is intensive
Degree；MAN is pedestrian's number；CAR is vehicle number；S is the path area covered in the realtime graphic；A, b is coefficient.
For whether detecting vehicle-mounted melody playback equipment in the melody detection unit for playing melody.
If melody detection unit detects that vehicle-mounted melody playback equipment is playing melody, melody control unit control is called
Make vehicle-mounted melody playback equipment, if vehicle-mounted melody playback equipment play cross-talk, storytelling, etc. non-melody class program or vehicle-mounted
Melody playback equipment is closed, this never calls melody control unit.
In addition, a kind of music control system based on road image of the present invention also has melody control unit.
When road closeness of the melody control unit for road residing for current driving vehicle is less than threshold value T1, read
User's melody play history information, and recommend and play melody based on user's melody play history information；Current driving vehicle
When the road closeness of residing road is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and vehicle-mounted
Melody playback equipment interface display " Please drive carefully " information.
Above-described embodiment is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, any one skilled in the art in the technical scope disclosed by the present invention, the variation that can readily occur in or replaces
It changes, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Subject to enclosing.
Claims (8)
1. a kind of melody control method based on road image, which is characterized in that this method is applied to vehicle-mounted melody playback equipment,
And specifically include following steps：
S1 obtains the road closeness of road residing for current driving vehicle, specifically includes：
S11 is obtained the real-time image information in headstock front and headstock or so by camera, is distinguished by Adaboost graders
The pedestrian in the realtime graphic and vehicle are extracted, determines pedestrian's number MAN and vehicle number CAR in the realtime graphic；
S12 obtains the real-time figure based on the real-time image information for obtaining headstock front and headstock or so by camera
The path area S covered as in；
S13 calculates the road closeness P of road residing for current driving vehicle according to formula (1)：
P=a* (MAN/S)+b* (CAR/S) formula (1)
Wherein P is the road closeness of road residing for current driving vehicle；MAN is pedestrian's number；CAR is vehicle number；S is institute
State the path area covered in realtime graphic；A, b is coefficient；
S2, detects whether vehicle-mounted melody playback equipment is playing melody, executes step S3；
S3 when the road closeness of road residing for current driving vehicle is less than threshold value T1, reads user's melody play history information,
And recommend and play melody based on user's melody play history information；The road closeness of road residing for current driving vehicle
When more than threshold value T1, then currently playing melody is switched to type melody of releiving, and " ask in vehicle-mounted melody playback equipment interface display
Careful driving " information.
2. the melody control method according to claim 1 based on road image, wherein described classified by Adaboost
Device extracts pedestrian in the realtime graphic respectively and vehicle specifically includes：
S111 carries out rgb color space to the conversion of HSV color spaces for the real-time image information of acquisition；
S112 traverses the H component points of image, driving mask matrix MASK；
S113, the connected domain of statistics eye mask matrix MASK therefrom obtain region of interest ROI and are screened；
S114 is classified in conjunction with HOG and Harr features using Adaboost graders, and the pedestrian in region and vehicle are obtained.
3. the melody control method according to claim 2 based on road image, wherein passing through Adaboost graders
Further include that denoising, normalization etc. are carried out to the realtime graphic before extracting pedestrian and the vehicle in the realtime graphic respectively
Pretreatment operation.
4. the melody control method according to claim 3 based on road image, described to pass through Adaboost graders point
It further includes later outlining the pedestrian extracted and vehicle with rectangle frame indescribably to take pedestrian and vehicle in the realtime graphic.
5. a kind of music control system based on road image, which is characterized in that the system is applied to vehicle-mounted melody playback equipment,
And it specifically includes：
Road closeness acquiring unit, the road closeness for obtaining road residing for current driving vehicle, specifically includes：
Pedestrians and vehicles quantity acquisition module, the real-time image information for obtaining headstock front and headstock or so by camera,
Pedestrian and vehicle in the realtime graphic are extracted respectively by Adaboost graders, determine the pedestrian in the realtime graphic
Number MAN and vehicle number CAR；
Path area acquisition module, for being believed based on the realtime graphic for obtaining headstock front and headstock or so by camera
Breath, obtains the path area S covered in the realtime graphic；
Roading density acquisition module, the road closeness P for calculating road residing for current driving vehicle according to formula (1)：
P=a* (MAN/S)+b* (CAR/S) formula (1)
Wherein P is the road closeness of road residing for current driving vehicle；MAN is pedestrian's number；CAR is vehicle number；S is institute
State the path area covered in realtime graphic；A, b is coefficient；
Melody detection unit, for detecting whether vehicle-mounted melody playback equipment is playing melody；
Melody control unit when the road closeness for road residing for current driving vehicle is less than threshold value T1, reads user's pleasure
Bent play history information, and recommend and play melody based on user's melody play history information；Residing for current driving vehicle
When the road closeness of road is more than threshold value T1, then currently playing melody is switched to type melody of releiving, and broadcast in vehicle-mounted melody
It puts equipment interface and shows " Please drive carefully " information.
6. the music control system according to claim 5 based on road image, wherein described classified by Adaboost
Device extracts pedestrian in the realtime graphic respectively and vehicle specifically includes：
S111 carries out rgb color space to the conversion of HSV color spaces for the real-time image information of acquisition；
S112 traverses the H component points of image, driving mask matrix MASK；
S113, the connected domain of statistics eye mask matrix MASK therefrom obtain region of interest ROI and are screened；
S114 is classified in conjunction with HOG and Harr features using Adaboost graders, and the pedestrian in region and vehicle are obtained.
7. the music control system according to claim 6 based on road image, wherein passing through Adaboost graders
Before extracting pedestrian and the vehicle in the realtime graphic respectively, the Pedestrians and vehicles quantity acquisition module is additionally operable to described real-time
Image carries out the pretreatment operation of denoising, normalization etc..
8. the music control system according to claim 7 based on road image, described to pass through Adaboost graders point
After indescribably taking pedestrian and the vehicle in the realtime graphic, what the Pedestrians and vehicles quantity acquisition module was additionally operable to will to extract
Pedestrian and vehicle are outlined with rectangle frame.
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| CN201810631824.7A CN108805096A (en) | 2018-06-19 | 2018-06-19 | A kind of melody control method and system based on road image |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110310618A (en) * | 2019-06-05 | 2019-10-08 | 广州小鹏汽车科技有限公司 | Processing method, processing unit and the vehicle of vehicle running environment sound |
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Application publication date: 20181113 |